[i=s]This post was last edited by Beifang on 2021-9-3 10:55[/i]Read PDM audio signal
1. Introduction to PDM
As shown below, PDM is a serial audio data format parallel to I2S, replacing the traditional...
[i=s] This post was last edited by Sur on 2014-8-11 22:23 [/i] When programming, we will find that there are many places we need to comment. I believe everyone knows how to comment, but some friends m...
The company moved to another city before the New Year, and I resigned on the first day of work in the new year. It was expected, but also unexpected....
[size=5] La la la, today is the Autumnal Equinox~~ [color=Red][b] It is the night of the White Dew and the Autumnal Equinox. It gets colder every night. Please take care of yourselves~~~[/b][/color][/...
The ticket prices for Shanghai Disneyland are out:victory::victory:,,,,During the opening period from June 16th to 30th, 499........after that, the weekday price is 370,,peak price is 499, ......
After erasing STM8 FLASH, it is 0X00, not 0XFF.----------------------------------------------------------STM8's FLASH is equivalent to EEPROM, and writing does not require block erasing....
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]